#include <stdio.h>
#pragma pack(8)
struct BBB {
    long num;
    char ha;
    short ba[5];
}b;

int main() {
    printf("%d\n", sizeof(b.num));//4
    printf("%d\n", sizeof(b.ha)); //1
    printf("%d\n", sizeof(b.ba)); //10 ,short大小是2

    printf("%d\n", sizeof(BBB));
    return 0;
}